CVE-2026-4055 | Mattermost up to 10.11.13/11.4.3/11.5.1 Run Creation API authorization

A vulnerability was found in Mattermost up to 10.11.13/11.4.3/11.5.1. It has been classified as problematic. Impacted is an unknown function of the component Run Creation API. The manipulation leads to incorrect authorization.

This vulnerability is referenced as CVE-2026-4055. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More